Sunan Abi Dawud Book 2, Hadith 429

Go out and announce in medina that prayer is not valid but the recitation of the Qur’an even though it might be fatihat al-kitab and something more.

Previous Hadith

we were commanded to recite Fatihat al-kitab and whatever was convenient (from the Qur’an during the prayer).

Sunan Abi Dawud Book 2, Hadith 428
Next Hadith

The Messenger of Allah (ﷺ) commanded me to announce that prayer is not valid but with the recitation of Fatihat al-kitab and something more.

Sunan Abi Dawud Book 2, Hadith 430